Mistral SUP Fins

SUP fin compatibility guide

Which Fin Fits My Mistral SUP?

Mistral is a long-running SUP and windsurf brand sold both directly and through Lidl in several European markets, which means a lot of people own one without necessarily knowing much about it. The good news is that every model we track — Spirit, Emotion, Adventurist Air, Kailua, Santa Monica and Sunburst — uses a standard US Box fin. That's the industry's most common system, so a US Box replacement fin from Eisbach Riders fits correctly no matter which Mistral board you have, whether it came from a specialist retailer or a Lidl seasonal drop. Select your exact model below to see the fin we'd recommend.
Model Fin box Fit
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Can't find your exact model? Try the full SUP Fin Finder →

Frequently asked questions

Are Lidl Mistral SUPs the same as regular Mistral boards for fin compatibility?
Yes. Whether your Mistral board was bought through Lidl or a regular retailer, it uses the same US Box fin system, so the same replacement fins fit.
What fin box does the Mistral Adventurist Air use?
US Box — the same system used across the whole Mistral inflatable range we track, including the Spirit, Emotion, Kailua, Santa Monica and Sunburst.
Do all Mistral boards use the same size fin?
They all use US Box, but board length varies a lot — from the 10'6 Sunburst to the 14'0 Emotion — so the ideal fin length differs even though the box is the same.

Find the right fin

Pick your board's brand and model — we'll check the fin box and show what fits.

Not sure which model you have? See how to identify your fin box →

How the fin finder works

01

Select your board brand

Choose from Red Paddle, Decathlon, Fanatic, Starboard and more.

02

Choose your exact model

We use your model — and model year where necessary — to determine the fin system.

03

Get your compatibility result

We'll show a compatible Eisbach Riders fin when we have one. If we don't, we'll tell you which system to look for instead.

Can't find your SUP?

Our compatibility database is constantly expanding. If your exact board isn't listed, identify your fin box manually or tell us the brand and model.

Identify my fin box →

Tell us which board is missing

How we verify compatibility

Our database maps SUP brands and models to their fin-box systems using manufacturer specifications, product information and compatibility checks where available. Where we cannot confidently verify a fit, the Fin Finder tells you to check rather than recommending a product as an exact match.

Compatibility database last reviewed: August 2026 · 180 board models mapped